| http://www.w3.org/ns/prov#value | - Patent US3694538 - Method and apparatus for coating with plastics - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsMolten, thermoplastic resin is extruded from an annular die having a central hole through which an elongated article, such as a pipe is moved axially, so as to cost the article with hot resin.
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